Business Directory Mountain Express Share: TaxiTransportation Mountain Express Visit Website Request Info Crested Butte, CO 81224 (970) 349-5616 (970) 349-7214 (fax) About Map About Crested Butte and Mt. Crested Butte's convenient, free, year-round bus system. Also offering a late-night taxi service. What's Nearby? Distance: 5 10 15 20 25 50 mi.